Where can i find mechanical properties of polyethylene?

Hi guys im looking for mechanical behavior of Polyethylene, or its stress-strain curve, can anyone tell me in which reference it can be found? thanks,

03 April 2017 8,735 0 View

How can i change the amount of force in ABAQUS?

Hi everyone i have a specimen i want to apply force on it, in a way that force changes linearly from 0 to 2000 N, i want to get force-displacement graph at the end. can anyone tell me how can i...

02 March 2017 2,291 6 View

How can I define a contact stiffness in ABAQUS?

Hi everybody, I wanna define a contact stiffness of 200 N/mm between two alloys in ABAQUS, but I don't know how, can somebody help me? Thanks.

02 March 2017 8,746 1 View

How can i assign Vscoelastic properties into ABAQUS?

11 December 2016 8,974 1 View

How can i define a reference point in ABAQUS?

11 December 2016 4,225 10 View

How can i make a pendulum rotate in abaqus?

i want to make a pendulum rotate in abaqus with angular velocity 5 rad/s. i defined a reference point a coupled it with one of the ends of pendulum and after it using B.Cs i defined the angular...

11 December 2016 3,970 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View